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Grünfeld, Spassky Variation, Main line, 13.Bd3 Notation: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3

In each game under Location you see masterchessopen.com but it's not a valid website, so please don't use it. Claus Gamborg, Jan. 2023

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#WhiteRatingBlackRatingResultMovesECOTournamentDate
199Dauenheimer Torst...2234Pulina Dirk1-033 ≣D85Ch Rheinhessen (o...
549Deak Sandor (HUN)2305Volosin Vladimir ...22860-131 ≣D85Ch Hungary (team)...
163Delgado Cespedes ...2270Colias Billy (USA)22900-132 ≣D85It (open)
366Delgado Victor (USA)2321Semenic Igor (SUI)19531-028 ≣D85It \
320Del-Monaco Andrea...2077Renier Renzo (ITA)19950-131 ≣D85It (open)
437Del Rio Angelis S...2492Enjuto Velasco Ro...21831-023 ≣D85It (open)13 Jan 2006
252De Rover Yong Hoo...2264Aubel Jochem (NED)22430-135 ≣D85Ch Netherlands (j...
531Desmas William (FRA)1669Bulgakov Pavel (RUS)18010-128D85Ch World (for the...21 Jun 2009
51Deutschmann Matth...2165Sutterer Robert (...22051-022 ≣D85Ch Baden
41Deze Anton (YUG)2405Gligoric Svetozar...25650-139 ≣D85Ch Yugoslavia (team)
42Deze Anton (YUG)2405Pribyl Josef (CZE)24850-128 ≣D85It
591Dobrovolsky Konst...2221Ustinov Alexey (RUS)21311-022 ≣D85Ch Kimry03 Jan 2012
96Dokhoian Yury (RUS)2525Huzman Alexander ...25001-036 ≣D85Ch URS (1 liga)
530Dong Bao Nghia (VIE)2109Amru Muhd Tariq (...20201-027 ≣D85Ch ASEAN (juniors...11 Jun 2009
21Donner Jan-Hein (...2500Ree Hans (NED)24301-038 ≣D85Match
587Doskar Miloslav (...1757Siebenburger Vlas...20770-135 ≣D85It (open)24 Sep 2011
195Drentchev MMacieja Bartlomie...26130-138 ≣D85Ch Europe (juniors)
563Dubessay Bastien ...2336Briet Antoine (FRA)22281-025 ≣D85Ch France (access...
242Dubinka Inna (UKR)2235Loeffler Josef (AUT)20681-037 ≣D85It (open)
215Ducret ReneLeatherwood D1-040 ≣D85corr.
593Duessel Udo (GER)Regez Markus (SUI)1-034 ≣D85Oberliga Baden 20...26 Feb 2012
506Dusper Ranko (CRO)2124Mihalinec Damir (...22720-138 ≣D85Cup Croatia (team)22 May 2008
532Edes Zsofia (SVK)1924Kralova Klaudia (...17831-025 ≣D85Ch Slovakia (juni...28 Jun 2009
176Elbilia Jacques (...2382Filipowicz Leszek...21751-036 ≣D85It (open)
557Elsayed Alaa Eldi...2049Mahdy Tawfeik (EGY)21100-136 ≣D85Tournament \01 Jun 2010
510Elwin Adrian G (ENG)2015Venkataramanan T ...22610-131 ≣D85Ch Great Britain
268Emodi Barnabas (HUN)2360Juhasz Bela (HUN)21241-027 ≣D85It (open) \
190Emodi Barnabas (HUN)2359Berebora Ferenc (...24070-140 ≣D85Memorial Erkel
270Eriksson Johan (SWE)2315Nylen Anders (SWE)21321-037 ≣D85Ch Sweden (master...
314Erlandsen Carsten...2175Nielsen Dagh (DEN)21331-038 ≣D85It (open) \
334Ernst Sipke (NED)2459Jens Jelmer (NED)23181-036 ≣D85It (open)
31Erozbek Akdogan2200Cherem I22000-129 ≣D85Olympiad
7Espinosa Rafael M...2403Gieselbrecht J1-035 ≣D85Olympiad (corr.)
589Esposito Julie (FRA)1774Maruejols Claude ...20391-022 ≣D85It (open)26 Dec 2011
565Fabian Gaston (ARG)2266Mendez Ignacio (ARG)18741-033 ≣D85It (open)12 Oct 2010
358Farago Ivan (HUN)2483Wartlick Karl (GER)21521-025 ≣D85It (open)
483Favoni Matteo (ITA)1881Brioschi Camillo ...19431-030 ≣D85Tournament (open)...14 Oct 2007
392Fazilov Kasim DZhirnov Alexandr0-138 ≣D85Memorial I.Stepichev19 Dec 2003
77Fedorowicz John P...2525Kudrin Sergey (USA)24950-125 ≣D85Ch USA
82Fekete Istvan (HUN)2062Mueller Friedrich...20851-037 ≣D85corr.
567Fernandez Maria (...2119Gazola Vanessa Ra...19831-026 ≣D85It (w)20 Nov 2010
194Ferreira Alberto ...Luyks Marinus (POR)21540-137 ≣D85Ch Portugal (1/2 ...
218Ferreira Antonio ...2335Morais Mario (FRA)20451-029 ≣D85Ch Portugal (1/2 ...
430Floor Dick (NED)2222Beisser Jacob (GER)20661-036 ≣D85It (open)06 Oct 2005
575Flores Linan Jose...1926Ramon Serrano Fra...20810-129 ≣D85It \19 May 2011
173Forgo FerencHauck I1-035 ≣D85Ch Hungary (corr.)
535Fouad Abo Bakr (EGY)2055Seif Yaser1-028D85It (open)29 Jul 2009
153Frederick Robert ...2210Guerra Daniel Rub...21291-023 ≣D85Europe Tournament...
428Freitag Manfred (...2419Neubauer Martin (...24420-131 ≣D85Ch Austria17 Aug 2005
341Friesinger SiegfriedVisweswaran K (IND)23381-017 ≣D85Tournament (IECG)
212Fritsch GPerlitz Sven (GER)20850-133 ≣D85Oberliga East 199...
36Garcia Vicente Ni...2214Tagnon Nicole (FRA)19341-029 ≣D85Olympiad (w)
101Garcia Wilfredo (...2050Alonso Rene (CUB)23600-138 ≣D85?
261Garn Erwin (AUT)2014Schnitzspan Lotha...23400-138 ≣D85It (open)
313Geldyeva Mekhri (...2283Odeev Handszar (TKM)24420-139 ≣D85Ch Turkmenistan
200Gentes Kevin (CAN)2266Burstow John (CAN)22801-028 ≣D85Tournament \
223Gentes Kevin (CAN)2266Burstow John (CAN)22800-135 ≣D85Memorial Kent Oli...
283Georgiev Vladimir...2540Pelletier Yannick...25251-030 ≣D85Bundesliga 1998/99
286Getmanchuk Andrei...2135Krivonogov A (RUS)23100-128 ≣D85Cup Russia (open)
113Gierden HorstKalka Arkadius Ge...23651-039 ≣D85?
409Gilles Francois (...1728Caron Antoine (FRA)14501-036 ≣D85It (open)10 Oct 2004
463Goles Giovano (BRA)1938Utiyama Marcel He...0-134 ≣D85Ch Region15 Jan 2007
453Golovlev Nikolay ...2283Kolodiy Taras (UKR)18811-031 ≣D85It (open) \27 Aug 2006
370Gomboc Miha (SLO)2144Kukovec Borut (SLO)21790-136 ≣D85Ch Slovenia (team...
337Gomez Ruben (ARG)2080Escandell Juan C ...22730-136 ≣D85Tournament
317Gorecki Zbigniew ...2112Ernst Sipke (NED)23730-132 ≣D85It (open)
493Gorozhanin Mikhai...1789Pristalov Evgeny ...18650-114 ≣D85Memorial P.Dubini...
97Graf Alexander (GER)2415Krasenkow Michal ...24200-137 ≣D85Ch Armed Forces
250Graf Alexander (GER)2585Notkin Maksim (RUS)25200-135D85It (open)
424Graf Felix (GER)2187Katsuhara Osamu (...21331-037 ≣D85Tournament (Elo)11 Jul 2005
497Groschup G1886Potthammel Joerg ...20610-132 ≣D85Ch Europe (senior...14 Feb 2008
446Grossmann Susan (...2025Hoolt Sarah (GER)21351-032 ≣D85Ch Germany (junio...07 Jun 2006
534Guedes Lopez Saul...1753Rodriguez Melian ...21140-129 ≣D85It (open)18 Jul 2009
382Gustafsson Jan (GER)2603Hintze Helge (GER)22961-026D85Ch Germany (Inter...
359Gustafsson Jan (GER)2566Bachmann Andreas ...22431-032 ≣D85It (open)
349Gustafsson Jan (GER)2526Perlitz Sven (GER)22061-032 ≣D85It (open)27 Jul 2001
203Gustavsson Cyrill...2206Huss Rolf (GER)21630-136 ≣D85It (open)
188Gustavsson Cyrill...2206Schnegelsberg Kar...20321-034 ≣D85Ch Hessen
256Guthmann Andreas ...1957Flierl Pascal (GER)22040-130 ≣D85Ch Pfalz
378Gutierrez Oscar (...2093Carvajal Jonathan...21251-034 ≣D85Ch Costa Rica
536Gutierrez Valero ...2024Fernandez Barrera...23090-136 ≣D85Ch Spain (team) (...05 Aug 2009
480Guzsvany Arpad (SRB)2071Stokes Ivan (SCO)20491-036 ≣D85Ch European Youth...13 Jul 2007
220Hahn Manfred1790Herrmann Manfred1-024 ≣D85It (open)
452Hajnrych Jakub (POL)1955Rogalski Piotr (POL)17601-033 ≣D85Memorial Kochan09 Aug 2006
426Halay Taufik (INA)2369Tiggelman Rene (NED)22190-128 ≣D85It (open)13 Aug 2005
343Haller Peter (GER)2026Kessler Stefan (GER)20841-032D85It \
63Halmi PenttiFunck Kaj1-035 ≣D85?
70Hanauer Andre1955Popov Ivan (SRB)22421-029 ≣D85Europe Tournament...
234Hanewinkel Winfri...1975Zagorskis Darius ...24850-123 ≣D85It (open)
202Hanewinkel Winfri...1975Rodel Willi1-036 ≣D85It (open)
49Hanko Pavol (SVK)2138Fabry Robert (SVK)21770-133 ≣D85It \
432Harika Dronavalli...2392Khotenashvili Bel...22881-035 ≣D85Ch World (juniors...17 Nov 2005
259Harms Andreas (GER)2179Woestmann Ulrich ...20601-037 ≣D85VL1 1996/97
383Harstad Christian...2109Chigladze Iveri (...23440-135 ≣D85It (open) \
86Hauke Christian (...2197Saenger Thomas1-028 ≣D85It (open) (b)
402Hauser Carlos (GER)2150Kaczmarczyk Denni...20061-026 ≣D85Ch Baden (MA)13 Apr 2004
159Haus Volker (GER)2201Haase Wolfgang (GER)20851-032D85Ch Hessen (qual)
155Heinasmaki MiikkaHerlin Sam1-035 ≣D85?
500Heinis Vincent (FRA)2168Brih Said (FRA)22430-131 ≣D85Ch France (team) ...15 Mar 2008
112Heinrich Hans (GER)2199Lauer F0-137 ≣D85corr.